READ TERR 1 2 READ SERR 4 !Time T_+ve T_-ve Rate Ratepos Rateneg FracExp BGrate BGerr CorrFact CtsInSrc BGInSrc Exposure Sigma SNR 9215.551 9361.293 -125.323 1.757778e-02 6.684692e-03 -5.404042e-03 0.095148 7.691336e-04 7.470486e-05 1.704942 10 0.694242 902.628000 138.004778 3.252709